Lighting device



FIG. 1 is a front side perspective view of a lighting device, showing my new design;

FIG. 2 is the front side view thereof;

FIG. 3 is the rear side view thereof;

FIG. 4 is the top view thereof;

FIG. 5 is the bottom view thereof;

FIG. 6 is another top view thereof; and

FIG. 7 is another bottom view thereof.

FIG. 8 is an enlarged partial view of the top section of the lighting device as shown in FIG. 4; and,

FIG. 9 is an enlarged partial view of the bottom section of the lighting device as shown in FIG. 5.

The broken lines shown in the drawings illustrate environmental structure and form no part of the claimed design. 

The ornamental design for a lighting device, as shown and described. 